.mask {
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    position: fixed;
    background-color: rgba(0, 0, 0, 0.65);
    z-index: 100;
    height: 100%;
}
.wrap {
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    position: fixed;
    background-color: rgba(0, 0, 0, 0.65);
    overflow: auto;
    z-index: 100;
    text-align: center;
    &::before {
        content: "";
        display: inline-block;
        height: 100%;
        vertical-align: middle;
    }
    .dialog {
        display: inline-block;
        vertical-align: middle;
    }
}